ref: 07b237b10ccfd5bf95681601a6c6762c306cabea
dir: /sys/src/libmach/0.c/
/* * mips r4k definition * * currently no compiler - not related to 0c */ #include <u.h> #include <libc.h> #include <bio.h> #include "mips2ureg.h" #include <mach.h> #define FPREGBYTES 4 #define REGOFF(x) (ulong)(&((struct Ureg *) 0)->x) #define SP REGOFF(sp) #define PC REGOFF(pc) #define R1 REGOFF(hr1) #define R31 REGOFF(hr31) #define FP_REG(x) (R1+8+FPREGBYTES*(x)) #define REGSIZE sizeof(struct Ureg) #define FPREGSIZE (FPREGBYTES*33) Reglist mips2reglist[] = { {"STATUS", REGOFF(status), RINT|RRDONLY, 'X'}, {"CAUSE", REGOFF(cause), RINT|RRDONLY, 'X'}, {"BADVADDR", REGOFF(badvaddr), RINT|RRDONLY, 'X'}, {"TLBVIRT", REGOFF(tlbvirt), RINT|RRDONLY, 'X'}, {"HI", REGOFF(hhi), RINT|RRDONLY, 'W'}, {"LO", REGOFF(hlo), RINT|RRDONLY, 'W'}, {"PC", PC, RINT, 'X'}, {"SP", SP, RINT, 'X'}, {"R31", R31, RINT, 'W'}, {"R30", REGOFF(hr30), RINT, 'W'}, {"R28", REGOFF(hr28), RINT, 'W'}, {"R27", REGOFF(hr27), RINT, 'W'}, {"R26", REGOFF(hr26), RINT, 'W'}, {"R25", REGOFF(hr25), RINT, 'W'}, {"R24", REGOFF(hr24), RINT, 'W'}, {"R23", REGOFF(hr23), RINT, 'W'}, {"R22", REGOFF(hr22), RINT, 'W'}, {"R21", REGOFF(hr21), RINT, 'W'}, {"R20", REGOFF(hr20), RINT, 'W'}, {"R19", REGOFF(hr19), RINT, 'W'}, {"R18", REGOFF(hr18), RINT, 'W'}, {"R17", REGOFF(hr17), RINT, 'W'}, {"R16", REGOFF(hr16), RINT, 'W'}, {"R15", REGOFF(hr15), RINT, 'W'}, {"R14", REGOFF(hr14), RINT, 'W'}, {"R13", REGOFF(hr13), RINT, 'W'}, {"R12", REGOFF(hr12), RINT, 'W'}, {"R11", REGOFF(hr11), RINT, 'W'}, {"R10", REGOFF(hr10), RINT, 'W'}, {"R9", REGOFF(hr9), RINT, 'W'}, {"R8", REGOFF(hr8), RINT, 'W'}, {"R7", REGOFF(hr7), RINT, 'W'}, {"R6", REGOFF(hr6), RINT, 'W'}, {"R5", REGOFF(hr5), RINT, 'W'}, {"R4", REGOFF(hr4), RINT, 'W'}, {"R3", REGOFF(hr3), RINT, 'W'}, {"R2", REGOFF(hr2), RINT, 'W'}, {"R1", REGOFF(hr1), RINT, 'W'}, {"F0", FP_REG(0), RFLT, 'F'}, {"F1", FP_REG(1), RFLT, 'f'}, {"F2", FP_REG(2), RFLT, 'F'}, {"F3", FP_REG(3), RFLT, 'f'}, {"F4", FP_REG(4), RFLT, 'F'}, {"F5", FP_REG(5), RFLT, 'f'}, {"F6", FP_REG(6), RFLT, 'F'}, {"F7", FP_REG(7), RFLT, 'f'}, {"F8", FP_REG(8), RFLT, 'F'}, {"F9", FP_REG(9), RFLT, 'f'}, {"F10", FP_REG(10), RFLT, 'F'}, {"F11", FP_REG(11), RFLT, 'f'}, {"F12", FP_REG(12), RFLT, 'F'}, {"F13", FP_REG(13), RFLT, 'f'}, {"F14", FP_REG(14), RFLT, 'F'}, {"F15", FP_REG(15), RFLT, 'f'}, {"F16", FP_REG(16), RFLT, 'F'}, {"F17", FP_REG(17), RFLT, 'f'}, {"F18", FP_REG(18), RFLT, 'F'}, {"F19", FP_REG(19), RFLT, 'f'}, {"F20", FP_REG(20), RFLT, 'F'}, {"F21", FP_REG(21), RFLT, 'f'}, {"F22", FP_REG(22), RFLT, 'F'}, {"F23", FP_REG(23), RFLT, 'f'}, {"F24", FP_REG(24), RFLT, 'F'}, {"F25", FP_REG(25), RFLT, 'f'}, {"F26", FP_REG(26), RFLT, 'F'}, {"F27", FP_REG(27), RFLT, 'f'}, {"F28", FP_REG(28), RFLT, 'F'}, {"F29", FP_REG(29), RFLT, 'f'}, {"F30", FP_REG(30), RFLT, 'F'}, {"F31", FP_REG(31), RFLT, 'f'}, {"FPCR", FP_REG(32), RFLT, 'X'}, { 0 } }; /* mips r4k big-endian */ Mach mmips2be = { "mips2", MMIPS2, /* machine type */ mips2reglist, /* register set */ REGSIZE, /* number of bytes in reg set */ FPREGSIZE, /* number of bytes in fp reg set */ "PC", /* name of PC */ "SP", /* name of SP */ "R31", /* name of link register */ "setR30", /* static base register name */ 0, /* SB value */ 0x1000, /* page size */ 0xC0000000, /* kernel base */ 0x40000000, /* kernel text mask */ 0x7FFFFFFFULL, /* user stack top */ 4, /* quantization of pc */ 4, /* szaddr */ 8, /* szreg */ 4, /* szfloat */ 8, /* szdouble */ }; /* mips r4k little-endian */ Mach mmips2le = { "mips2", NMIPS2, /* machine type */ mips2reglist, /* register set */ REGSIZE, /* number of bytes in reg set */ FPREGSIZE, /* number of bytes in fp reg set */ "PC", /* name of PC */ "SP", /* name of SP */ "R31", /* name of link register */ "setR30", /* static base register name */ 0, /* SB value */ 0x1000, /* page size */ 0xC0000000ULL, /* kernel base */ 0x40000000ULL, /* kernel text mask */ 0x7FFFFFFFULL, /* user stack top */ 4, /* quantization of pc */ 4, /* szaddr */ 8, /* szreg */ 4, /* szfloat */ 8, /* szdouble */ };